Sea crystal is a product of seawater and salt chemical industry, which is harmless.
sea crystal is a product of seawater and salt chemical industry, which is mainly made from natural seawater or brine through a series of production processes such as evaporation, centrifugation and concentration. The finished product basically retains the main components of seawater and is concentrated seawater. Adding trace elements selectively can not only supplement some elements and compounds lost in the production process, but also make the whole product more practical, such as adding selenium and molybdenum, which has nothing to do with preservatives.
From the above introduction of sea crystal, we can see that sea crystal is really a good thing, and it is absolutely harmless to human body, because it is equivalent to concentrated natural seawater. Sea crystal belongs to crude salt, and it is only necessary to concentrate natural seawater or brine into solid. There is no purification step, and the impurity content is high. Therefore, the words "non-edible" are marked on the packaging bags of sea crystal, and the production technology of real sea crystal and sea salt is basically the same.
application scope of sea crystal
In addition to being used as industrial raw materials, sea crystal has been successfully used in fishery: First, it is used for raising shrimp and crab in estuaries or low salinity areas. The second is to prepare artificial seawater in inland lake areas for seawater seedling breeding. Third, it is widely used in inland aquariums and other leisure fisheries to meet the demand for seawater. However, because people's cognitive level is still in the initial stage of research and development, it has not been widely applied in production.
When selling shrimps, if they are filled with fresh water, the mortality rate is high. However, if the salinity is adjusted back to about 2‰ with sea crystal, the products with marine flavor can be obtained, which are not only hard in shell but fresh in taste, but also the listed price will be doubled and the best economic benefits will be obtained.
above content reference: Baidu Encyclopedia-Sea Crystal